Upgrade Chvac version 7 to version 8 - 10 Room.
If you do not have a license for Chvac version 7,
click here to purchase Chvac version 8.
If you have version 7 and you need to increase the number of rooms allowed you will need to purchase this upgrade to version 8 FOR YOUR CURRENT ROOM LEVEL, and also purchase the Chvac 8 Rooms Upgrade product with the appropriate option (you may purchase both products at the same time).